To cite package ‘decimal’ in publications use:

  Baltazar P (2026). _decimal: Exact Arbitrary-Precision Decimal
  Vectors_. R package version 0.1.1.9000,
  <https://github.com/pedrobtz/decimal>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {decimal: Exact Arbitrary-Precision Decimal Vectors},
    author = {Pedro Baltazar},
    year = {2026},
    note = {R package version 0.1.1.9000},
    url = {https://github.com/pedrobtz/decimal},
  }